[FAST ACCURATE MEASUREMENT] This Salinity Refractometer ensures rapid and precise measurement of salinity levels in seawater aquariums. Its advanced optical technology delivers accurate data, making it an essential tool for aquarium enthusiasts and marine biologists alike. The device is designed for quick detection and clear display, ensuring reliable results every time.
[ADJUSTABLE EYEPIECE FOR CLEAR READING] Equipped with an adjustable eyepiece, this refractometer allows you to fine-tune the focus for a clear view of the salinity scale. If the scale appears blurry, simply rotate the eyepiece to achieve sharp and precise readings. This feature ensures ease of use and enhances the overall measurement experience.
[DURABLE PORTABLE DESIGN] Crafted from high-quality plastic and aluminum, this refractometer is both lightweight and durable, making it for on-the-go use. Its compact size (17.2x4x4cm) and portable design allow you to carry it effortlessly to different locations, ensuring convenience and flexibility in various marine environments.
[PROTECTIVE COVER PLATE FOR STABILITY] The included cover plate serves a dual purpose: it protects the prism from damage and stabilizes the measurement process. By securely covering the prism, the plate ensures consistent and accurate readings, even in challenging conditions. This feature enhances the longevity and reliability of the device.
[EASY CALIBRATION WITH SCREW] Calibrating this refractometer is a breeze with the provided calibration screw. Simply place a drop of distilled water on the prism and adjust the screw to align the dividing line with the 0% mark on the scale. This straightforward calibration process ensures the device remains accurate and ready for use at all times.

Spec:
Item Type: Refractometer
Material: Plastic, Aluminum
Color: As Pictures Shown
Weight: Approx. 253g / 8.9oz
Salinity: 0-28%
Product Size: Approx. 17.2x4x4cm